diff --git a/.github/workflows/nebula-ci.yml b/.github/workflows/nebula-ci.yml
index c1e21d149..8a3763568 100644
--- a/.github/workflows/nebula-ci.yml
+++ b/.github/workflows/nebula-ci.yml
@@ -20,13 +20,14 @@ jobs:
         run: |
           git config --global user.name "Mantis OSS Maintainers"
           git config --global user.email "mantis-oss-dev@googlegroups.com"
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Setup jdk
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v5
         with:
           java-version: ${{ matrix.java }}
+          distribution: 'zulu'
       - name: Gradle Cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         id: gradle-cache
         with:
           path: ~/.gradle/caches
@@ -34,7 +35,7 @@ jobs:
           restore-keys: |
             - ${{ runner.os }}-gradle-
       - name: Gradle Wrapper Cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         id: gradle-wrapper-cache
         with:
           path: ~/.gradle/wrapper
diff --git a/.github/workflows/nebula-publish.yml b/.github/workflows/nebula-publish.yml
index 796a4ed39..91abc3db9 100644
--- a/.github/workflows/nebula-publish.yml
+++ b/.github/workflows/nebula-publish.yml
@@ -11,14 +11,15 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    environment: Publish
     steps:
       - name: Setup Git
         run: |
           git config --global user.name "Mantis OSS Maintainers"
           git config --global user.email "mantis-oss-dev@googlegroups.com"
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Setup jdk
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v5
         with:
           java-version: 17
           distribution: 'zulu'
diff --git a/.github/workflows/nebula-snapshot.yml b/.github/workflows/nebula-snapshot.yml
index a35d60fa3..ba5067c53 100644
--- a/.github/workflows/nebula-snapshot.yml
+++ b/.github/workflows/nebula-snapshot.yml
@@ -6,6 +6,7 @@ on:
 jobs:
   approve: # First step
     runs-on: ubuntu-latest
+    environment: Publish
     steps:
       - name: Approve
         run: echo For security reasons, all pull requests need to be approved first before running any automated CI.
@@ -20,11 +21,11 @@ jobs:
           git config --global user.name "Mantis OSS Maintainers"
           git config --global user.email "mantis-oss-dev@googlegroups.com"
       - name: Checkout PR
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: ${{ github.event.pull_request.head.sha }}
       - name: Setup jdk
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v5
         with:
           java-version: 17
           distribution: 'zulu'
diff --git a/.github/workflows/push-docker-image.yml b/.github/workflows/push-docker-image.yml
index 73b7e712c..b8e83c216 100644
--- a/.github/workflows/push-docker-image.yml
+++ b/.github/workflows/push-docker-image.yml
@@ -44,11 +44,12 @@ jobs:
           git config --global user.name "Mantis OSS Maintainers"
           git config --global user.email "mantis-oss-dev@googlegroups.com"
       - name: Checkout PR
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Setup jdk
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v5
         with:
           java-version: 17
+          distribution: 'zulu'
 
       - name: Generate dockerfiles
         uses: gradle/gradle-build-action@v2
@@ -92,7 +93,7 @@ jobs:
         uses: docker/setup-buildx-action@v2
 
       - name: Cache Docker layers
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: /tmp/.buildx-cache
           key: ${{ runner.os }}-buildx-${{ github.sha }}